| Challenger Ochsenhausen | 2021/05/06 10:30 | Carlos Muhlbach v Michael Engelhardt | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 07:10 | Carlos Muhlbach v Henning Zeptner | W | 3-2 |
| Challenger Ochsenhausen | 2021/05/05 12:30 | Carlos Muhlbach v Carlo Rossi | L | 2-3 |
| Challenger Ochsenhausen | 2021/05/05 09:10 | Enio Mendes v Carlos Muhlbach | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/05 07:10 | Carlos Muhlbach v Florian Bluhm | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/04 14:40 | Enio Mendes v Carlos Muhlbach | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/04 13:15 | Florian Bluhm v Carlos Muhlbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/04 09:40 | Marius Henninger v Carlos Muhlbach | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/06 11:50 | Enio Mendes v Florian Saljani | L | 3-0 |
| Challenger Ochsenhausen | 2021/05/06 09:10 | Florian Saljani v Florian Bluhm | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/06 06:30 | Florian Saljani v Jonathan Thimon | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/05 11:10 | Florian Saljani v Carlo Rossi | L | 0-3 |
| Challenger Ochsenhausen | 2021/05/05 08:30 | Michael Engelhardt v Florian Saljani | L | 3-0 |